@tracyone gist 不用翻墙了，内容如下

# Setting the prefix from C-b to C-a
set -g prefix C-a

# Free the original Ctrl-b prefix keybinding
unbind C-b

#setting the delay between prefix and command
set -sg escape-time 1

# Ensure that we can send Ctrl-A to other apps
bind C-a send-prefix

# Set the base index for windows to 1 instead of 0
set -g base-index 1

# Set the base index for panes to 1 instead of 0
setw -g pane-base-index 1

# Reload the file with Prefix r
bind r source-file ~/.tmux.conf \; display "Reloaded!"

# splitting panes
bind | split-window -h
bind - split-window -v

# moving between panes
bind h select-pane -L
bind j select-pane -D
bind k select-pane -U
bind l select-pane -R

# Quick pane selection
bind -r C-h select-window -t :-
bind -r C-l select-window -t :+

# Pane resizing
bind -r H resize-pane -L 5
bind -r J resize-pane -D 5
bind -r K resize-pane -U 5
bind -r L resize-pane -R 5

# mouse support - set to on if you want to use the mouse
setw -g mode-mouse off
set -g mouse-select-pane off
set -g mouse-resize-pane off
set -g mouse-select-window off

# Set the default terminal mode to 256color mode
set -g default-terminal "screen-256color"

# enable activity alerts
setw -g monitor-activity on
set -g visual-activity on

# set the status line's colors
set -g status-fg white
set -g status-bg black

# set the color of the window list
setw -g window-status-fg cyan
setw -g window-status-bg default
setw -g window-status-attr dim

# set colors for the active window
setw -g window-status-current-fg white
setw -g window-status-current-bg red
setw -g window-status-current-attr bright

# pane colors
set -g pane-border-fg green
set -g pane-border-bg black
set -g pane-active-border-fg white
set -g pane-active-border-bg yellow

# Command / message line
set -g message-fg white
set -g message-bg black
set -g message-attr bright

# Status line left side
set -g status-left-length 40
set -g status-left "#[fg=green]Session: #S #[fg=yellow]#I #[fg=cyan]#P"
set -g status-utf8 on

# Status line right side
# 15% | 28 Nov 18:15
set -g status-right "#(~/battery Discharging) | #[fg=cyan]%d %b %R"

# Update the status bar every sixty seconds
set -g status-interval 60 # Center the window list
set -g status-justify centre # enable vi keys.
setw -g mode-keys vi

# Open panes in the same directory using the tmux-panes script
unbind v
unbind n
bind v send-keys " ~/tmux-panes -h" C-m
bind n send-keys " ~/tmux-panes -v" C-m

# Maximize and restore a pane
unbind Up
bind Up new-window -d -n tmp \; swap-pane -s tmp.1 \; select-window -t tmp unbind Down
bind Down last-window \; swap-pane -s tmp.1 \; kill-window -t tmp

# Log output to a text file on demand
bind P pipe-pane -o "cat >>~/#W.log" \; display "Toggled logging to ~/#W.log"

最后附上我的 tmux 配置
https://github.com/c02y/dotfiles/blob/master/tmux/.tmux.conf